books.google.com - Over 250 scientific questions and answers for the unscientific layperson. Humorous and fascinating, it's a vast storehouse of knowledge and a perfect trivia reference book. B& W line drawings throughout. 256 pages....https://books.google.com/books/about/How_a_Fly_Walks_Upside_Down_and_Other_Cu.html?id=xRANAQAAMAAJ&utm_source=gb-gplus-shareHow a Fly Walks Upside Down and Other Curious Facts